"Commodity trade statistics, 1993." 

 - New  York United Nations       1994 
 - 325p.  cm. 
<br/><br/> "Statistical papers series D, VOl." 
<br/><br/><label>Standard No.: </label>177247 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X:54.1N54.N94s, N4/UN"